"challenging feedback" is correct and usable in written English.
You can use it when you are giving someone information that will require them to reflect and consider changes in their work or behavior. For example, "I appreciate your hard work, but I think in order to reach your goals, you need to adjust your approach. I'm providing you with challenging feedback to help you move forward."
It is shown that this yield reaches a maximum at a certain optimal flowrate of LN2 stream, creating a challenging feedback controller design problem.
FOLC pursues the development of learning environments that (a) build interpersonal relationships; (b) promote distributed responsibility for refining knowledge through challenging feedback that triggers cognitive dissonance; and (c) encourage divergent thinking.
It offered challenging feedback on my work, and ultimately helped me change the way I make pictures.
And by the time the audience had finished giving their warm, generous yet challenging feedback, the songs had begun their journey to becoming my next piece: Mmm Hmmm.
Receiving challenging feedback is painful for most people because we are all tempted either to be in love with what we are at the moment, or already beat ourselves up too much, so more challenge is tough to take.
For rough surfaces--those for which a PSD analysis is particularly interesting--this is a very difficult experimental challenge: feedback parameters have to be adjusted for fast feedback but avoiding oscillations and the imaging speed has to be chosen to allow correct settling of the feedback at each image point (what is "correct" in this context?).
Competence involves socio-contextual success with optimal challenges, feedback and freedom from demeaning evaluation.
During the programme, each team strengthens its leadership capacity by applying MSH's leadership principles and practices and a model of challenge, feedback and support.
Initial reflections were shared with all co-authors through several stages of reflection to confirm, challenge, and feedback into further refinement of the key lessons learnt in terms of building the capacity of the field.
Data analysis was conducted by the lead author (FEJ) using a grounded iterative approach, and shared with the other team members (JNL, SC, TP, KAM) during several stages of the analysis as a way to confirm, challenge, and feedback into the further refinement of themes.
In frequency division duplexing (FDD) massive MIMO system, downlink CSI feedback is challenging since the training and feedback overhead are proportional to the antenna number at the base station (BS) if the feedback scheme in LTE is adopted [3].
